nixpkgs/pkgs/development/ocaml-modules/ppx_deriving/default.nix

44 lines
1.3 KiB
Nix

{ stdenv, ocaml, findlib, ocamlbuild, fetchzip
, cppo, ppx_tools, ppx_derivers, result, ounit, ocaml-migrate-parsetree
}:
if !stdenv.lib.versionAtLeast ocaml.version "4.02"
then throw "ppx_deriving is not available for OCaml ${ocaml.version}"
else
let param =
if ocaml.version == "4.03.0"
then {
version = "4.1";
sha256 = "0cy9p8d8cbcxvqyyv8fz2z9ypi121zrgaamdlp4ld9f3jnwz7my9";
extraPropagatedBuildInputs = [];
} else {
version = "4.2.1";
sha256 = "1yhhjnncbbb7fsif7qplndh01s1xd72dqm8f3jkgx9y4ariqqvf9";
extraPropagatedBuildInputs = [ ocaml-migrate-parsetree ppx_derivers ];
}; in
stdenv.mkDerivation rec {
name = "ocaml${ocaml.version}-ppx_deriving-${version}";
inherit (param) version;
src = fetchzip {
url = "https://github.com/ocaml-ppx/ppx_deriving/archive/v${version}.tar.gz";
inherit (param) sha256;
};
buildInputs = [ ocaml findlib ocamlbuild cppo ounit ];
propagatedBuildInputs = param.extraPropagatedBuildInputs ++
[ ppx_tools result ];
createFindlibDestdir = true;
installPhase = "OCAMLPATH=$OCAMLPATH:`ocamlfind printconf destdir` make install";
meta = with stdenv.lib; {
description = "deriving is a library simplifying type-driven code generation on OCaml >=4.02.";
maintainers = [ maintainers.maurer ];
license = licenses.mit;
};
}